数字编号转换为中文编号方法

/// 数字转中文
/// </summary>
/// <param name="number">eg: 22</param>
/// <returns></returns>
public static string NumberToChinese(int number)
{
string res = string.Empty;
string str = number.ToString();
string schar = str.Substring(0, 1);
switch (schar)
{
case "1":
res = "一";
break;
case "2":
res = "二";
break;
case "3":
res = "三";
break;
case "4":
res = "四";
break;
case "5":
res = "五";
break;
case "6":
res = "六";
break;
case "7":
res = "七";
break;
case "8":
res = "八";
break;
case "9":
res = "九";
break;
default:
res = "零";
break;
}
if (str.Length > 1)
{
switch (str.Length)
{
case 2:
case 6:
res += "十";
break;
case 3:
case 7:
res += "百";
break;
case 4:
res += "千";
break;
case 5:
res += "万";
break;
default:
res += "";
break;
}
res += NumberToChinese(int.Parse(str.Substring(1, str.Length - 1)));
}
return res;
}